Inspec keywords: signal classification; time-frequency analysis; feature extraction; radar receivers; gesture recognition; sensor fusion; Doppler radar; radar signal processing

Other keywords: dynamic hand gesture recognition; Gaussian-windowed Fourier dictionary; sparse microDoppler signatures; orthogonal matching pursuit algorithm; sparsity aware dynamic gesture recognition; modified-Hausdorff-distance-based nearest neighbour classifier; time–frequency domain; angular diversity; radar sensor; sparse time–frequency feature extraction

Subjects: Mathematical analysis; Radar equipment, systems and applications; Signal processing and detection